Abstruse vague/insubstantial

虚无缥缈

No substance in it, Lucie.

虚无缥缈的东西，露西。

There's a heavy fog.

有大雾。

The fog is heavy.

雾很大。

There was a dense fog today.

今天大雾蒙蒙。

He faced another day of cold fog.

他碰到的是又一个寒冷有雾的日子。

Before they could start a mist arose.

在他们出发之前，起了雾。

Hills are folded in mist.

群山为雾所笼罩。

There was a dense fog today.

今天大雾蒙蒙。

A thick grey mist was all around us.

四周尽是白茫茫的浓雾。

Most often mist hides the illusory Alps.

云雾常常遮掩了梦幻般的阿尔卑斯山脉。

I had just pulled out and there was a thick fog rolling in.

没走出多远就下起了大雾，很快周围就被浓雾所笼罩了。

Dense fog is covering roads in the north and visibility is very poor.

浓雾笼罩了北部的公路, 能见度很低.